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Recessed Washer NSN 5310-01-160-5729

Item Description

A washer of any peripheral shape having a centrally located hole. Both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. The thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. The maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. Excludes washer, concave, retainer, packing, and thrust type washers. See also spacer, sleeve; and spacer, stepped.

NSN 5310-01-160-5729 NSN: 5310-01-160-5729

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Features and Characteristics

Outside Diameter
0.875 inches
Recess Diameter
Between 0.435 inches and 0.444 inches
Material Thickness
Between 0.185 inches and 0.195 inches
Recess Angle
82.0 degrees
Material
Aluminum alloy 2011
Material Specification
Qq-a-225/3, t3 federal specification single material response
Surface Treatment
Chromate
Surface Treatment Specification
Mil-c-5541, class 1a military specification single treatment response
Style Designator
15 recessed
FSC
5310 Nuts And Washers
NIIN
011605729
NSN
5310011605729

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
3558B08H01
Cage Code:
18323
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7616108000
  • NAICS: 332722
  • SITC: 69440
  • Description: Cotters, cotter-pins, washers and similar articles, of aluminum
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 5310-01-160-5729
What are the manufacturers of nsn 5310011605729?
Does this nsn 5310011605729 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310011605729
A washer of any peripheral shape having a centrally located hole. both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. the thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. the maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. excludes washer, concave, retainer, packing, and thrust type washers. see also spacer, sleeve; and spacer, stepped.
Does nsn 5310011605729 contain any precious metals?
No precious metal content.
Does nsn 5310011605729 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310011605729?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
15933
FIIG:
A022B0
App. Key:
A
Cond. Code:
1
Status:
A

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